However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope. Most of what researchers know about chromosomes was learned by observing chromosomes during cell division.
To obtain experience, you can volunteer or work as a wildlife biologist for a state or federal agency such as the U.S. Fish and Wildlife Service or National Park Service. Another way to meet the experience requirement is to complete either a master's or Ph.D. degree program in wildlife biology or a related subject. A master's degree counts for one year of experience, a Ph.D. counts for two years, and a person who holds both degrees is granted the equivalent of three years of experience.
You go to college to become a Marine Biologist. You take oceanography classes, basic Bio, etc. In order to be a professor you must hold a degree higher than that which you teach. For example if you hold a master's degree you would can be a professor for a bachelor's program level class. There is no license or certification to become a marine biologist; usually a BS and/or MS degree in biology, specializing in marine science or marine biology, wiht the a â¦ ppropriate field experience, would suffice as credentials. There are several marine biology websites.